What sausage-in-a-bun food is strongly associated with baseball games, Fourth of July celebrations, and the annual Nathan's Famous eating contest on Coney Island?

• A Bratwurst
• B Corn dog
• C Kielbasa
• D Hot dog ✓

The hot dog's origins trace to German frankfurters brought by immigrants, and it became a ballpark staple after being introduced at sports venues in the late 19th century.